2005•Optics LettersRequires access

Longitudinal pure spatial coherence of a light field with wide frequency and angular spectra

Vladimir Petrovich Ryabukho, Dmitry V. Lyakin, Mikhail I. Lobachev

Abstract

We have observed the longitudinal pure spatial coherence of a light field in an interference experiment when the length of the temporal coherence is significantly smaller than the length of the longitudinal spatial coherence of the light field. We introduce into consideration new spatial and temporal scales of a light field: the length of the coherent (free) run and the coherent time (the time of life) of a wave train.

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Key concepts: Spatial coherence, Coherence (philosophical gambling strategy), Optics, Coherence time, Coherence theory, Physics, Coherence length, Spatial frequency